Finding the Fourth Proportional to 19,628, 29,444.52 and 7,146.10

Step by Step Solution

1. Step 1: Write the proportion equation
   19,628 : 29,444.52 = 7,146.10 : x
2. Step 2: Convert to fraction form
   19,628/29,444.52 = 7,146.10/x
3. Step 3: Cross multiply
   19,628x = 29,444.52 × 7,146.10
4. Step 4: Simplify right side
   19,628x = 210,413,484.37
5. Step 5: Solve for x
   x = 210,413,484.37/19,628
6. Step 6: Final answer
   x = 10,720.07